Ryuichiro Kuga
10Patents
7h-index
9Co-inventors
51Inventor score
Filing activity: Oct 16, 1984 → May 6, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5227889A | Image slant compensatable video camera | Electricity | 40 | Expired |
| US4924317A | Video camera with an automatic focusing system | Electricity | 22 | Expired |
| US4991944A | Zoom lens driving apparatus | Electricity | 20 | Expired |
| US4621292A | Automatic focusing device for a video camera | Electricity | 20 | Expired |
| US4673274A | Automatic focusing apparatus for camera | Physics | 14 | Expired |
| US4975726A | Automatic focusing apparatus | Electricity | 13 | Expired |
| US5077613A | Video camera with automatic focusing function | Electricity | 12 | Expired |
| US4849813A | Video camera with high-speed scanning | Electricity | 6 | Expired |
| US4850692A | Semiconductor light position detector for rangefinder | Physics | 5 | Expired |
| US4758764A | Light-emitting device for automatic focus adjustment apparatus | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.